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Code Issues Releases Wiki Activity

Improved macOS strings and agent update.

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Ylian Saint-Hilaire 2020-12-07 22:55:29 -08:00
parent cc5425f65c
commit 5046161a5d
3 changed files with 32 additions and 11 deletions
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12
meshagent.js
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@ -234,7 +234,7 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
else if (cmdid == 12) { // MeshCommand_AgentHash
if ((msg.length == 52) && (obj.agentExeInfo != null) && (obj.agentExeInfo.update == true)) {
const agenthash = msg.substring(4);
if ((agenthash != obj.agentExeInfo.hash) && (agenthash != '\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0')) {
if (compareAgentBinaryHash(obj.agentExeInfo, agenthash)) {
// Mesh agent update required, do it using task limiter so not to flood the network. Medium priority task.
parent.parent.taskLimiter.launch(function (argument, taskid, taskLimiterQueue) {
if (obj.authenticated != 2) { parent.parent.taskLimiter.completed(taskid); return; } // If agent disconnection, complete and exit now.
@ -1655,6 +1655,16 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
});
}
// Check if we need to update this agent, return true if agent binary update required.
function compareAgentBinaryHash(agentExeInfo, agentHash) {
// If the hash matches or is null, no update required.
if ((agentExeInfo.hash == agentHash) || (agentHash == '\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0')) return false;
// If this is a macOS x86 or ARM agent type and it matched the universal binary, no update required.
if (((agentExeInfo.id == 16) || (agentExeInfo.id == 29)) && (parent.parent.meshAgentBinaries[10005].hash == agentHash)) return false;
// No match, update the agent.
return true;
}
// Request that the core dump file on this agent be uploaded to the server
obj.RequestCoreDump = function (agenthashhex, corehashhex) {
if (agenthashhex.length > 16) { agenthashhex = agenthashhex.substring(0, 16); }